External hollow antenna
US9995132B2 · kind B2 · utility
1Cited by
10References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 8, 2015 |
| Grant date | Jun 12, 2018 |
| Priority date | — |
| Expiry date | Jan 19, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q7/00
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A beacon assembly located at a downhole end of a drill string proximate a boring tool. The beacon assembly transmits data to an above-ground receiver. The beacon has a housing with a housing wall located between its sensors, such as gradiometers, accelerometers, and other orientation sensors, and an antenna assembly. The antenna assembly has a protective covering made of electromagnetically transparent material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.